Does the imperative mood have a subject

The lack of a subject pronoun is what identifies the imperative mood.

Explanation:

The speaker might issue a command: that's the imperative mood. Or the speaker might state a possibility, hope, wish, or hypothetical: that's the subjunctive mood.

i think the answer would be b. games

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i think it's either 'to expose the corruption of the communists in russia', or 'to criticize animal brutality by communists in russia.'  

hope this ! : )